linux-kernel - Re: [PATCH] use vmalloc for mem

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Message-ID: <Pine.LNX.4.64.0804161219190.14718@schroedinger.engr.sgi.com>
Date:	Wed, 16 Apr 2008 12:19:44 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"xemul@...nvz.org" <xemul@...nvz.org>, lizf@...fujitsu.com,
	menage@...gle.com, "linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] use vmalloc for mem_cgroup allocation.

On Tue, 15 Apr 2008, KAMEZAWA Hiroyuki wrote:

> On ia64, kmalloc() in mem_cgroup_create requires order-4 pages. But this is not
> necessary to be phisically contiguous. And we'll see page allocation failure.
> (Note: x86-32, which has small vmalloc area, has small mem_cgroup struct.)
> For here, vmalloc is better.

I need to get my virtualizable compound stuff in order. That would address 
these issues.
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